Re: Why OPK's should never be used for TTA!
Yep, thats why OPK's don't work for everyone. Toni Weschler doesn't recommend them in her book TCOYF, unless you check multiple times per day you can miss your surge so easily.
Helen. New Zealand living, cloth nappy using and making. Totally addicted to knitting. Mum of Samuel (11/05), Mollie (6/08), Meghan (5/10) and Benjamin (17/1/2013) born 19 weeks 2 days.